31991316

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1327}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 89018496

約数和(自身を除く): 57027180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1327, 1722, 2009, 2654, 3444, 3981, 4018, 5308, 6027, 7962, 8036, 9289, 12054, 15924, 18578, 24108, 27867, 37156, 54407, 55734, 65023, 108814, 111468, 130046, 163221, 195069, 217628, 260092, 326442, 380849, 390138, 652884, 761698, 780276, 1142547, 1523396, 2285094, 2665943, 4570188, 5331886, 7997829, 10663772, 15995658, 31991316]

約数ペア:

[(1, 31991316), (2, 15995658), (3, 10663772), (4, 7997829), (6, 5331886), (7, 4570188), (12, 2665943), (14, 2285094), (21, 1523396), (28, 1142547), (41, 780276), (42, 761698), (49, 652884), (82, 390138), (84, 380849), (98, 326442), (123, 260092), (147, 217628), (164, 195069), (196, 163221), (246, 130046), (287, 111468), (294, 108814), (492, 65023), (574, 55734), (588, 54407), (861, 37156), (1148, 27867), (1327, 24108), (1722, 18578), (2009, 15924), (2654, 12054), (3444, 9289), (3981, 8036), (4018, 7962), (5308, 6027)]